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Solution structure of Risdiplam bound to the RNA duplex formed upon 5'-splice site recognition
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 0.001 M unlabeled RNA (5'-R(*AP*UP*AP*CP*(PSU)P*(PSU)P*AP*CP*CP*UP*G)-3'), 0.001 M unlabled RNA (5'-R(P*GP*GP*AP*GP*UP*AP*AP*GP*UP*CP*U)-3') 100% D2O 50 mM 5.5 atm atm 293 Bruker AVANCE III HD 900 2 2D 1H-13C HSQC aliphatic 0.001 M unlabeled RNA (5'-R(*AP*UP*AP*CP*(PSU)P*(PSU)P*AP*CP*CP*UP*G)-3'), 0.001 M unlabled RNA (5'-R(P*GP*GP*AP*GP*UP*AP*AP*GP*UP*CP*U)-3') 100% D2O 50 mM 5.5 atm atm 293 Bruker AVANCE III HD 900 3 2D 1H-13C HSQC aromatic 0.001 M unlabeled RNA (5'-R(*AP*UP*AP*CP*(PSU)P*(PSU)P*AP*CP*CP*UP*G)-3'), 0.001 M unlabled RNA (5'-R(P*GP*GP*AP*GP*UP*AP*AP*GP*UP*CP*U)-3') 100% D2O 50 mM 5.5 atm atm 293 Bruker AVANCE III HD 900
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III HD 900
NMR Refinement Method Details Software simulated annealing AmberTools
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 40 Conformers Submitted Total Number 14 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 refinement AmberTools 2023 Case D. 2 structure calculation CYANA 3 Guntert, Mumenthaler and Wuthrich 3 chemical shift assignment CARA Keller R., Wuthrich K. 4 peak picking CYANA 3 Guntert, Mumenthaler and Wuthrich